CN216596463U - Film room screen protection system - Google Patents
Film room screen protection system Download PDFInfo
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- CN216596463U CN216596463U CN202120997458.4U CN202120997458U CN216596463U CN 216596463 U CN216596463 U CN 216596463U CN 202120997458 U CN202120997458 U CN 202120997458U CN 216596463 U CN216596463 U CN 216596463U
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Abstract
The utility model is suitable for the field of security protection of a film hall, and provides a screen protection system of the film hall, which comprises: the detector is used for detecting whether a person enters a preset forbidden zone at the periphery of the screen or not and outputting an indication signal when detecting that the person enters the preset forbidden zone; an alarm; and the controller is connected between the detector and the alarm, and controls the alarm to alarm after receiving the indication signal. The screen protection system provided by the utility model detects whether a person enters a preset forbidden zone at the periphery of the screen, outputs an indicating signal when detecting that the person enters the forbidden zone, and controls the alarm to alarm according to the received indicating signal by the controller, thereby realizing the protection of the screen and preventing the screen from being damaged by people. And a physical fence is not required to be arranged in front of the screen, so that the normal film watching is not influenced.
Description
Technical Field
The utility model belongs to the field of security of a film hall, and particularly relates to a screen protection system of the film hall.
Background
After years of development of the cinema industry, tens of thousands of screens are built in China at present, and film viewing in a cinema is an important mode for leisure and entertainment in festivals and holidays.
Install the physics rail additional in screen place ahead can effectively block spectator and be close to the screen, nevertheless receive the movie hall condition restriction under most circumstances, probably shelter from spectator's sight behind the additional installation physics rail and influence and see the shadow and experience, consequently the cinema all chooses not to install the physics rail additional.
In a word, the design of the film hall at present has carelessness in the aspect of protecting the screen, and the screen needs to be effectively protected on the premise of not influencing the film watching.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of how to effectively protect the screen on the premise of not influencing the viewing and prevent the screen from being artificially damaged.
To solve the above technical problem, the present invention is implemented as follows, and a screen protection system for a movie hall includes: the detector is used for detecting whether a person enters a preset restricted zone at the periphery of the screen and outputting an indication signal when detecting that the person enters the preset restricted zone; an alarm; and the controller is connected between the detector and the alarm, and controls the alarm to alarm after receiving the indication signal.
Further, the film studio screen protection system further comprises: the first power supply module is used for supplying power to the alarm; and the control signal output end of the controller is connected to a power supply circuit between the first power supply module and the alarm, and the power supply circuit is controlled to be connected after the indication signal is received, so that the alarm executes alarm.
Further, the film studio screen protection system further comprises: a second power module and/or a third power module; the second power supply module is connected with the detector and used for supplying power to the detector; and the third power supply module is connected with the controller and used for supplying power to the controller.
Further, the detector is a correlation type infrared sensing device, and the correlation type infrared sensing device includes: the infrared emitter is arranged on the first side wall of the movie hall and used for emitting an infrared signal in a preset forbidden zone in front of the screen; the infrared receiver is arranged on a second side wall of the photo hall and used for receiving the infrared signal; the first side wall is opposite to the second side wall and located on two sides of the screen.
Furthermore, the detector is a distance measuring sensing device which is installed on one side wall of the studio and used for testing the distance between an obstacle in a preset forbidden zone in front of the screen and the detector; the distance measurement sensing device is an ultrasonic distance measurement sensing device or a laser distance measurement sensing device or a solid-state area array radar device based on a time difference of flight distance measurement technology.
Further, the detector is an imaging sensing device, the imaging sensing device comprising: the camera is provided with a preset forbidden zone, wherein the imaging range of the camera covers the front of the screen, and the camera is arranged on the ceiling of a movie hall or one of the side walls or the rear wall of the movie hall opposite to the screen; and the image processor is used for judging whether a person enters the preset forbidden zone according to the real-time image obtained by the camera.
Furthermore, the detector is an array type pressure sensor and is arranged on the ground in a preset forbidden zone in front of the screen.
Further, the controller is a switching circuit device or a logic processing device having a signal processing function.
Further, the alarm includes: the scene alarm is arranged in the movie hall and used for warning people entering the preset forbidden area in an acoustic alarm and/or optical alarm mode; and/or the background alarm is arranged in a projection room behind the movie hall or a monitoring center of the movie hall and used for reminding projection personnel of entering the preset forbidden area in an acoustic alarm and/or optical alarm mode.
Furthermore, the screen protection system of the movie hall further comprises a data transmission module connected with the detector, wherein the data transmission module is used for uploading the detection result of the detector to a background server; the forbidden zone is provided with a forbidden identification which is controlled to be opened by electric control, and the forbidden identification is controlled to be closed when the film is shown and is controlled to be opened when the film is shown.
The screen protection system provided by the utility model detects whether a person enters a preset forbidden zone at the periphery of the screen, outputs an indicating signal when detecting that the person enters the forbidden zone, and controls the alarm to alarm according to the received indicating signal by the controller, thereby realizing the protection of the screen and preventing the screen from being damaged by people. And a physical fence is not required to be arranged in front of the screen, so that the normal film watching is not influenced.
Drawings
Fig. 1 is a block diagram of a screen protection system for a studio according to the present invention;
fig. 2 is another block diagram of a screen protection system for a studio according to the present invention;
fig. 3A and fig. 3B are schematic diagrams respectively illustrating installation of a detector in a studio according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a detector installed in a studio according to a second embodiment of the present invention;
FIG. 5 is a schematic diagram of a detector installed in a studio according to a third embodiment of the present invention;
fig. 6A and 6B are a side view and a top view of a detector installed in a studio according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The film studio screen protection system provided by the utility model comprises a detector 11, a controller 12 and an alarm 13.
The detector 11 is used for detecting whether a person enters a preset restricted zone at the periphery of the screen, and outputting an indication signal when detecting that the person enters the preset restricted zone, wherein the indication signal is used for indicating that the person enters the restricted zone. Specifically, the detector 11 may output the indication signal only when it is detected that a person enters the forbidden zone and not output any signal when it is not detected that a person enters the forbidden zone, or may output a first signal when it is detected that a person enters the forbidden zone and output a second signal when it is not detected that a person enters the forbidden zone, where the first signal is used as the indication signal.
The preset forbidden zone at the periphery of the screen is mainly located in front of the screen, for example, in the range from 1 st meter to 2 nd meter in front of the screen, and certainly, for practical needs, other areas can be set as the forbidden zone, for example, for a scene where the screen is not attached to the wall of a movie hall, the rear of the screen can be set as the forbidden zone, and the setting is not limited specifically.
The controller 12 is connected between the detector 11 and the alarm 13, and controls the alarm 13 to perform alarming after receiving the indication signal. The specific control mode may be that the controller 12 directly controls the alarm 13 itself, or may be that a power supply line of the alarm 13 is controlled, and for the latter, as shown in fig. 2, the control device further includes a first power module 14 for supplying power to the alarm 13, a control signal output end of the controller 12 is connected to the power supply line between the first power module 14 and the alarm 13, and after receiving the indication signal, the control device controls the power supply line to be connected so that the alarm 13 performs alarm, and when not receiving the indication signal, the control device controls the power supply line to be disconnected.
The controller 12 may be a switching circuit device, such as a relay, a field effect transistor, or a logic processing device with a signal processing function, such as a single chip, and may be adapted according to the type of the detector.
The alarm 13 generally needs to be a field alarm installed inside a movie hall, and mainly has the main function of warning a person entering a forbidden zone, can be installed on a side wall or a ground in front of a screen, and can warn the person entering the preset forbidden zone by means of sound alarm and/or light alarm, such as voice alarm, alarm sound alarm, light alarm, image alarm, and the like. The system can also be provided with a background alarm which can be arranged in a projection room behind the movie hall or a monitoring center of the movie hall and used for reminding projection personnel of entering the preset forbidden zone in a sound alarm and/or light alarm mode so that the cinema personnel can know that people enter the forbidden zone in front of the screen in time and take corresponding preventive measures.
In addition, the film studio screen protection system further comprises a data transmission module connected with the detector 11, wherein the data transmission module is used for uploading detection results of the detector 11 to a background server to realize backup, and when someone enters a forbidden area, the background server notifies cinema managers in time through mobile terminals such as a mobile phone.
In order to enable the audience to clearly recognize the position of the forbidden zone, an electric control opening forbidden identification can be arranged at the preset forbidden zone to clearly identify the position of the forbidden zone, such as a linear laser beam, an LED lamp strip and the like, and the forbidden identification is controlled to be closed when the film is shown, so that the film watching of the audience cannot be influenced, and the forbidden identification is controlled to be opened when the film is shown.
In addition, the film studio screen protection system may further include: a second power module and/or a third power module; the second power supply module is connected with the detector 11 and used for supplying power to the detector 11; the third power module is connected to the controller 12 for supplying power to the controller 12.
In the case of physical proximity or integration of the detector 11, the controller 12, and the alarm 13, a general voltage module may be used in place of the first power module 14, the second power module, and the third power module.
The detector 11 may be of various types, such as a correlation infrared sensor, a distance measurement sensor, an imaging sensor, an array pressure sensor, and the like, and may be used alone or in combination. The installation and operation of the various types of detectors 11 will now be described with reference to the specific structure of the studio, as follows:
embodiment one, for the infrared sensing device of the penetrate type. The opposite emission type infrared sensor device includes: as shown in fig. 3A, the infrared transmitter is mounted on a first sidewall of the studio and is configured to send an infrared signal in a preset forbidden zone in front of the screen; the infrared receiver is installed on the second side wall of the movie hall and used for receiving the infrared signals, wherein the first side wall is opposite to the second side wall and located on two sides of the screen.
As shown in fig. 3A, in order to ensure the sensitivity of sensing, a plurality of infrared transmitters are usually used, for example, the infrared transmitters may be installed at equal intervals within 1.5 m of the ground height, as shown by position a in fig. 3A, and the transmitted infrared rays have a propagation direction toward the infrared receiver on the second side wall B. Generally, the connection line between the infrared transmitter and the infrared receiver forms an infrared detection plane, as shown in fig. 3B, when the viewer passes through the plane, the infrared light is blocked, and the infrared receiver can detect the entrance of the person.
The infrared emitter can be an infrared LED emitter or an infrared laser emitter.
The infrared laser transmitter emits a thin infrared beam, has strong directivity and very small scattering angle, and needs to be accurately aligned with the infrared laser receiver installed on the second side wall during installation. The detector 11 composed of the infrared laser transmitter and the infrared receiver has high detection sensitivity due to no scattering of infrared beams, but has higher cost and higher installation and construction requirements.
The emission angle of the infrared LED emitter is larger than that of the infrared laser emitter, and is usually 3-5 degrees. If the width of the studio is 20 meters, the infrared light is distributed in the range of 1-1.8 meters in the left-right width of the wall surface where the infrared LED receiver is located, and the infrared LED receiver is installed in the range, so that the requirements on installation position and angle are not high, and the field construction is more convenient.
In order to eliminate the influence of stray reflected infrared light in a wide range, a parallel baffle is usually added in front of the infrared receiver to improve its sensitivity.
Embodiment two, for a ranging sensing device. The distance measurement sensing device is arranged on one side wall of the movie hall and used for testing the distance between an obstacle in a preset forbidden zone in front of the screen and the distance measurement sensing device. The distance measurement sensing device can be an ultrasonic distance measurement sensing device or a laser distance measurement sensing device or a solid-state area array radar device based on a time difference of flight distance measurement technology.
The distance measuring sensing device is installed on the first side wall or the second side wall of the movie hall. The array of the plurality of distance measuring sensing devices with the same installation direction can detect that the plurality of distance measuring sensing devices are installed in a plane, for example, the ground height is within 1.5 meters at equal intervals, as shown by a position A in figure 4. When no person enters, the distance measured by the distance measuring sensing device is the distance between the first side wall and the second side wall, when a person enters the forbidden area, the distance measured by the distance measuring sensing device is the distance between the sensor and the person entering the forbidden area, and when the distance measured by the distance measuring sensing device is smaller than the distance between the first side wall and the second side wall, the person is judged to enter the forbidden area.
The distance measurement sensing device can be an ultrasonic distance measurement sensing device, can also be a laser distance measurement sensing device (such as visible light laser or infrared laser), and can also be a solid-state area array radar device based on a flight time difference distance measurement technology, data measured by the radar device are surface cloud point data or three-dimensional cloud point data, correspondingly, the screen protection system of the movie hall further comprises a cloud point processor, data processing software is arranged in the cloud point processor, and whether a person enters a forbidden area or not can be judged by comparing the cloud point data when no person enters the movie hall. When the controller 12 is a device having a logic processing function, the point cloud processor may share a hardware set with the controller 12.
Embodiment three, for an imaging sensing device. The imaging sensor device includes: the camera is provided with a preset forbidden zone, wherein the imaging range of the camera covers the front of the screen, and the camera is arranged on the ceiling of a movie hall or one of the side walls or the rear wall of the movie hall opposite to the screen; and the image processor is used for judging whether a person enters the preset forbidden zone according to the real-time image obtained by the camera.
Specifically, the sensor device may be an infrared imaging sensor device, a visible light imaging sensor device, or the like. In view of the visible range, the imaging sensor device is usually installed on the ceiling of the film studio, or on the top of the side wall or the rear wall, so that the visible range covers the area in front of the screen, and fig. 5 illustrates an installation mode in which the camera is installed on the rear wall of the film studio.
The image processing device is used for comparing a real-time picture obtained by the camera with a picture without people, and can judge whether people enter a detected area. Similarly, when the controller 12 is a device having a logic processing function, the image processor may share a hardware set with the controller 12.
Example four, for an array pressure sensor. The array type pressure sensor is arranged on the ground in a preset forbidden zone in front of the screen, as shown in a position D in fig. 6A and 6B, when audiences enter the forbidden zone where the pressure sensor array is located, the pressure sensor outputs pressure data, and that people enter the forbidden zone is judged.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. A film studio screen protection system, comprising:
the detector is used for detecting whether a person enters a preset forbidden zone at the periphery of the screen or not and outputting an indication signal when detecting that the person enters the preset forbidden zone;
an alarm;
and the controller is connected between the detector and the alarm, and controls the alarm to alarm after receiving the indication signal.
2. The film studio screen protection system of claim 1, wherein said film studio screen protection system further comprises:
the first power supply module is used for supplying power to the alarm;
and the control signal output end of the controller is connected to a power supply circuit between the first power supply module and the alarm, and the power supply circuit is controlled to be connected after the indication signal is received, so that the alarm executes alarm.
3. The film studio screen protection system of claim 1, wherein said film studio screen protection system further comprises: a second power module and/or a third power module;
the second power supply module is connected with the detector and used for supplying power to the detector;
and the third power supply module is connected with the controller and used for supplying power to the controller.
4. The screen protection system for a cinema according to any one of claims 1 to 3, characterized in that the detector is an infrared sensor device of the opposite emission type, and the infrared sensor device of the opposite emission type comprises:
the infrared emitter is arranged on the first side wall of the movie hall and used for emitting an infrared signal in a preset forbidden zone in front of the screen;
the infrared receiver is arranged on a second side wall of the photo hall and used for receiving the infrared signal;
the first side wall is opposite to the second side wall and located on two sides of the screen.
5. The screen protection system of a movie hall as claimed in any one of claims 1 to 3, wherein the detector is a distance measuring sensor device, and the distance measuring sensor device is installed on one of the side walls of the movie hall and is used for testing the distance between an obstacle in a preset forbidden zone in front of the screen and the screen protection system;
the distance measurement sensing device is an ultrasonic distance measurement sensing device or a laser distance measurement sensing device or a solid-state area array radar device based on a time difference of flight distance measurement technology.
6. The film hall screen protection system according to any one of claims 1 to 3, wherein the detector is an imaging sensor device, and the imaging sensor device comprises:
the camera is provided with a preset forbidden zone, wherein the imaging range of the camera covers the front of the screen, and the camera is arranged on the ceiling of a movie hall or one of the side walls or the rear wall of the movie hall opposite to the screen;
and the image processor is used for judging whether a person enters the preset forbidden zone according to the real-time image obtained by the camera.
7. The screen protection system of a cinema according to any one of claims 1 to 3, characterized in that the detector is an array pressure sensor arranged on the ground in a preset forbidden zone in front of the screen.
8. The screen protection system for a cinema according to any one of claims 1 to 3, characterized in that the controller is a switch circuit device or a logic processing device with a signal processing function.
9. The screen protection system for a cinema according to any one of claims 1 to 3, characterized in that the alarm comprises:
the scene alarm is arranged in the movie hall and used for warning people entering the preset forbidden area in an acoustic alarm and/or optical alarm mode; and/or
And the background alarm is arranged in a projection room behind the cinema or a monitoring center of the cinema and is used for reminding projection personnel of entering the preset forbidden zone in an acoustic alarm and/or optical alarm mode.
10. The movie hall screen protection system according to claim 1, further comprising a data transmission module connected to the detector, wherein the data transmission module is configured to upload a detection result of the detector to a background server;
the forbidden zone is provided with a forbidden identification which is controlled to be opened by electric control, and the forbidden identification is controlled to be closed when the film is shown and is controlled to be opened when the film is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120997458.4U CN216596463U (en) | 2021-05-11 | 2021-05-11 | Film room screen protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120997458.4U CN216596463U (en) | 2021-05-11 | 2021-05-11 | Film room screen protection system |
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| Publication Number | Publication Date |
|---|---|
| CN216596463U true CN216596463U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120997458.4U Active CN216596463U (en) | 2021-05-11 | 2021-05-11 | Film room screen protection system |
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| CN (1) | CN216596463U (en) |
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2021
- 2021-05-11 CN CN202120997458.4U patent/CN216596463U/en active Active
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